Submission #1128467

#	Time	Username	Problem	Language	Result	Execution time	Memory
1128467		Nurislam	Bali Sculptures (APIO15_sculpture)	C++17	21 / 100	12 ms	332 KiB

sculpture

#include <bits/stdc++.h>
using namespace std;

template<class T, class U> inline bool chmin(T& a, const U& b) { if (a > b) { a = b; return true; } return false; }
template<class T, class U> inline bool chmax(T& a, const U& b) { if (a < b) { a = b; return true; } return false; }
 
#define pb push_back
#define int long long
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define rep(i, s, f) for(int i = s; i < f; i++)
//mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
//#define rnd(l, r) uniform_int_distribution <int> (l, r)(rng)

const int inf = 3e18;
int n, a, b;
vector<int> pr;

void sub2(){
	int ans = 0, ano = 0;
	for(int ms = 40; ms >= 0; ms--){
		vector<vector<int>> dp(n+1, vector<int> (n+1) );
		dp[0][0] = 1;
		for(int i = 1; i <= n; i++){
			for(int k = 0; k <= i; k++){
				for(int j = i-1; j >= 0; j--){
					if((pr[i] - pr[j]) & (ano | (1ll << ms)))continue;
					dp[i][k] |= dp[j][k-1];
				}
			}
		}
		bool ok = 0;
		for(int i = a; i <= b; i++)
			if(dp[n][i])ok = 1;
		
		if(ok)ano |= (1ll << ms);
		else ans |= (1ll << ms);
	}
	cout << ans << '\n';
	return;
};

void sub1(){
	int ans = 0, ano = 0;
	for(int ms = 40; ms >= 0; ms--){
		vector<int> dp(n+1, inf);
		dp[0] = 0;
		for(int i = 1; i <= n; i++){
			for(int j = 0; j < i; j++){
				if((pr[i] - pr[j]) & (ano | (1ll << ms)))continue;
				dp[i] = min(dp[i], dp[j] + 1);
			}
		}
		if(dp[n] <= b)ano |= (1ll << ms);
		else ans |= (1ll << ms);
	}
	cout << ans << '\n';
	return;
};


void solve(){
	cin >> n >> a >> b;
	vector<int> v(n);pr.pb(0);
	for(int &i:v){
		cin >> i;
		pr.pb(pr.back() + i);
	}
	if(a == 1 && n <= 100)sub1();
	else sub2();
};

signed main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);cout.tie(nullptr);
    int tt = 1;
    //cin >> tt;
    while(tt--){
        solve();
    };
}

• Subtask 1: 0 / 9
• Subtask 2: 0 / 16
• Subtask 3: 21 / 21
• Subtask 4: 0 / 25
• Subtask 5: 0 / 29